GPE-1326/2323/3323/4323 Series User Manual 
6 
Do not dispose electronic equipment as unsorted 
municipal waste. Please use a separate collection 
facility or contact the supplier from which this 
instrument was purchased. 
Safety Guidelines 
General 
Guidelines 
 CAUTION 
 Do not place any heavy object on the device.
 Avoid severe impacts or rough handling that
leads to damaging the device.
 Do not discharge static electricity to the device.
 Do not block or obstruct the cooling fan vent
opening.
 Do not perform measurement at circuits directly
connected to Mains (see note below).
 Do not disassemble the device unless you are
qualified as service personnel.
(Measurement categories) EN 61010-1:2010 specifies the 
measurement categories and their requirements as follows. The 
GPE-1326/2323/3323/4323 series falls under category I. 
 Measurement category IV is for measurement performed at the 
source of low-voltage installation. 
 Measurement category III is for measurement performed in the 
building installation. 
 Measurement category II is for measurement performed on the 
circuits directly connected to the low voltage installation.
 Measurement category I is for measurements performed on
circuits not directly connected to Mains.
 AC Input voltage:
100V/120V/220V±10%,  230VAC +10%/-6%,
50/60Hz
 Connect the protective grounding conductor of
the AC power cord to an earth ground, to avoid
electrical shock.